EP2816709A4 - Rotor core, motor, and method for manufacturing motor - Google Patents
Rotor core, motor, and method for manufacturing motorInfo
- Publication number
- EP2816709A4 EP2816709A4 EP12868494.1A EP12868494A EP2816709A4 EP 2816709 A4 EP2816709 A4 EP 2816709A4 EP 12868494 A EP12868494 A EP 12868494A EP 2816709 A4 EP2816709 A4 EP 2816709A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor
- rotor core
- manufacturing
- manufacturing motor
- rotor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
- H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49009—Dynamoelectric machine
- Y10T29/49012—Rotor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012033428A JP5858232B2 (en) | 2012-02-17 | 2012-02-17 | Rotor core, motor, and motor manufacturing method |
PCT/JP2012/072967 WO2013121611A1 (en) | 2012-02-17 | 2012-09-07 | Rotor core, motor, and method for manufacturing motor |
Publications (4)
Publication Number | Publication Date |
---|---|
EP2816709A1 EP2816709A1 (en) | 2014-12-24 |
EP2816709A4 true EP2816709A4 (en) | 2015-11-04 |
EP2816709B1 EP2816709B1 (en) | 2021-08-18 |
EP2816709B8 EP2816709B8 (en) | 2022-08-10 |
Family
ID=48983757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12868494.1A Active EP2816709B8 (en) | 2012-02-17 | 2012-09-07 | Rotor core, motor, and method for manufacturing motor |
Country Status (6)
Country | Link |
---|---|
US (2) | US9712007B2 (en) |
EP (1) | EP2816709B8 (en) |
JP (1) | JP5858232B2 (en) |
CN (1) | CN104054237B (en) |
RU (1) | RU2597218C2 (en) |
WO (1) | WO2013121611A1 (en) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5858232B2 (en) * | 2012-02-17 | 2016-02-10 | 日本電産株式会社 | Rotor core, motor, and motor manufacturing method |
WO2014178227A1 (en) * | 2013-05-01 | 2014-11-06 | 日立オートモティブシステムズ株式会社 | Rotary electrical machine, and rotor for rotary electrical machine |
JP5904416B2 (en) * | 2013-10-21 | 2016-04-13 | 株式会社安川電機 | Rotating electric machine |
KR20150063217A (en) * | 2013-11-29 | 2015-06-09 | 삼성전자주식회사 | Motor and washing machine having the same |
JP6403982B2 (en) * | 2014-04-30 | 2018-10-10 | マブチモーター株式会社 | Brushless motor |
JP6464822B2 (en) * | 2015-02-27 | 2019-02-06 | 日本電産株式会社 | motor |
KR102498735B1 (en) * | 2015-11-03 | 2023-02-13 | 삼성전자주식회사 | Motor |
JP6683459B2 (en) * | 2015-11-05 | 2020-04-22 | 株式会社三井ハイテック | Method for manufacturing laminated core |
CN105471141A (en) * | 2015-12-29 | 2016-04-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor core and motor with same |
JP6673707B2 (en) * | 2016-02-03 | 2020-03-25 | 日本電産サンキョー株式会社 | Interior magnet type motor |
CN105529851A (en) * | 2016-02-04 | 2016-04-27 | 常州雷利电机科技有限公司 | Rotor punching plate, motor rotor and motor applying motor rotor |
CN106712345A (en) * | 2016-11-09 | 2017-05-24 | 常州雷利电机科技有限公司 | Motor rotor and motor adopting the same |
JP6658471B2 (en) * | 2016-11-25 | 2020-03-04 | トヨタ自動車株式会社 | Method for manufacturing rotor core and method for manufacturing motor core |
JP2018196216A (en) * | 2017-05-16 | 2018-12-06 | 大銀微系統股▲分▼有限公司Hiwin Mikrosystem Corp. | Built-in type permanent magnet motor |
JP2018207648A (en) * | 2017-06-02 | 2018-12-27 | アイシン精機株式会社 | motor |
RU180432U1 (en) * | 2017-06-14 | 2018-06-14 | Андрей Владимирович Шишов | ELECTRIC MAGNETIC FIELD MOTOR |
CN107733111A (en) * | 2017-11-01 | 2018-02-23 | 莱克电气股份有限公司 | Rotor iron core |
CN111819775B (en) * | 2018-03-08 | 2023-05-26 | 日本电产株式会社 | Method for manufacturing rotor core component |
CN111919358B (en) * | 2018-03-29 | 2023-05-30 | 日本电产株式会社 | Rotor core, rotor and motor |
WO2019189728A1 (en) * | 2018-03-30 | 2019-10-03 | 日本電産株式会社 | Rotor, motor, and electric power steering device |
US11979059B2 (en) * | 2018-12-17 | 2024-05-07 | Nippon Steel Corporation | Laminated core and electric motor |
JP7544729B2 (en) * | 2019-10-16 | 2024-09-03 | 日本発條株式会社 | Stator core, stator unit and motor |
US11984763B2 (en) * | 2020-03-12 | 2024-05-14 | Regal Beloit America, Inc. | Electric machines having a radially embedded permanent magnet rotor and methods thereof |
JP7435142B2 (en) * | 2020-03-26 | 2024-02-21 | 株式会社アイシン | Method for manufacturing a motor, actuator, and rotor included in the motor |
JP2023089324A (en) * | 2020-05-18 | 2023-06-28 | パナソニックIpマネジメント株式会社 | Rotor and electric motor |
JP7344850B2 (en) * | 2020-07-10 | 2023-09-14 | 東芝三菱電機産業システム株式会社 | Rotor and rotating electric machine |
DE112020007517T5 (en) * | 2020-08-20 | 2023-06-22 | Mitsubishi Electric Corporation | ROTATING ELECTRICAL MACHINE |
TWI758983B (en) * | 2020-12-01 | 2022-03-21 | 天容寶節能科技股份有限公司 | Permanent magnet rotor, related permanent magnet electric motor, and related permanent magnet electric generator |
JP2022121924A (en) * | 2021-02-09 | 2022-08-22 | マブチモーター株式会社 | rotor and brushless motor |
RU209630U1 (en) * | 2021-10-14 | 2022-03-17 | Акционерное общество "Электромашиностроительный завод "ЛЕПСЕ" | ROTOR OF ELECTRIC MACHINE |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3979821A (en) * | 1975-05-09 | 1976-09-14 | Kollmorgen Corporation | Method of manufacturing rare earth permanent magnet rotor |
EP1286446A1 (en) * | 2001-08-15 | 2003-02-26 | DRS Power & Control Technologies, Inc. | Permanent magnet rotor and permanent magnet machine |
EP1657800A1 (en) * | 2004-11-12 | 2006-05-17 | Grundfos A/S | Permanent-magnet rotor |
EP1804365A2 (en) * | 2005-12-29 | 2007-07-04 | Korea Electro Technology Research Institute | Permanent magnet excited transverse flux motor with outer rotor |
US20070252469A1 (en) * | 2006-04-19 | 2007-11-01 | Asmo Co., Ltd. | Embedded magnet type rotating electric machine |
EP1981149A2 (en) * | 2007-04-10 | 2008-10-15 | HILTI Aktiengesellschaft | Permanent magnetic motor |
US20090115280A1 (en) * | 2007-02-13 | 2009-05-07 | Asmo Co., Ltd. | Embedded magnet type motor |
US20110248596A1 (en) * | 2010-04-07 | 2011-10-13 | Denso Corporation | Rotor for electric rotating machine |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3142002B2 (en) * | 1990-07-12 | 2001-03-07 | セイコーエプソン株式会社 | Permanent magnet rotor |
FR2655214B1 (en) * | 1989-11-27 | 1992-02-07 | Alsthom Gec | MAGNET MOTOR ROTOR. |
SU1758785A1 (en) * | 1990-02-19 | 1992-08-30 | Московский агрегатный завод "Дзержинец" | Rotor of electric machine |
WO1992001326A1 (en) * | 1990-07-12 | 1992-01-23 | Seiko Epson Corporation | Rotor of brushless motor and manufacture thereof |
RU2011267C1 (en) * | 1991-07-08 | 1994-04-15 | Научно-Производственное Объединение "Магнетон" | Multipolar permanent-magnet rotor |
JPH05344668A (en) * | 1992-06-08 | 1993-12-24 | Fanuc Ltd | Rotor of synchronous motor |
JPH07312852A (en) | 1994-05-13 | 1995-11-28 | Yaskawa Electric Corp | Method for manufacturing permanent magnet type rotor |
JPH09294344A (en) * | 1996-04-26 | 1997-11-11 | Meidensha Corp | Rotor of permanent magnet type rotating machine |
JP2001204146A (en) * | 1999-11-08 | 2001-07-27 | Isuzu Motors Ltd | Rotor of rotating machine and its fabrication |
JP2001086673A (en) * | 1999-09-17 | 2001-03-30 | Fujitsu General Ltd | Permanent magnet motor |
US6437474B1 (en) * | 2000-04-11 | 2002-08-20 | Ming Tsong Chu | Rotor of synchronous motor |
US8605647B2 (en) * | 2004-02-03 | 2013-12-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Shared risk group handling within a media gateway |
PL366596A1 (en) * | 2004-03-25 | 2005-10-03 | Zbigniew Młynarski | Method for managing catering behaviour as well as a system and computer program to implement this method |
JP5044217B2 (en) * | 2004-07-16 | 2012-10-10 | 株式会社ミツバ | Magnet fixing structure of rotating electric machine |
RU2316103C2 (en) * | 2005-07-14 | 2008-01-27 | "Центр Разработки Нефтедобывающего Оборудования" ("Црно") | Magnetic system of rotor |
JP4842731B2 (en) * | 2006-04-19 | 2011-12-21 | アスモ株式会社 | Embedded magnet type rotating electric machine |
JP5301860B2 (en) * | 2008-03-26 | 2013-09-25 | アスモ株式会社 | Embedded magnet type motor |
US7800272B2 (en) * | 2007-11-28 | 2010-09-21 | Asmo Co., Ltd. | Embedded magnet motor and manufacturing method of the same |
JP5454753B2 (en) * | 2008-04-21 | 2014-03-26 | 株式会社ジェイテクト | Motor rotor and electric power steering device |
JP5493405B2 (en) | 2009-03-16 | 2014-05-14 | 株式会社安川電機 | ROTOR CORE MANUFACTURING METHOD, ROTOR CORE, ROTOR AND INTERNAL MAGNET TYPE ROTARY ELECTRIC |
FR2958465B1 (en) * | 2010-03-31 | 2013-02-15 | Valeo Equip Electr Moteur | SYNCHRONOUS ROTATING ELECTRIC MACHINE WITH PERMANENT MAGNETS AND FLOW CONCENTRATION |
CN102377257B (en) * | 2010-08-10 | 2016-03-30 | 德昌电机(深圳)有限公司 | Brushless electric machine |
JP5858232B2 (en) * | 2012-02-17 | 2016-02-10 | 日本電産株式会社 | Rotor core, motor, and motor manufacturing method |
-
2012
- 2012-02-17 JP JP2012033428A patent/JP5858232B2/en active Active
- 2012-09-07 EP EP12868494.1A patent/EP2816709B8/en active Active
- 2012-09-07 CN CN201280067327.XA patent/CN104054237B/en active Active
- 2012-09-07 US US14/362,142 patent/US9712007B2/en active Active
- 2012-09-07 WO PCT/JP2012/072967 patent/WO2013121611A1/en active Application Filing
- 2012-09-07 RU RU2014125057/07A patent/RU2597218C2/en active
-
2017
- 2017-06-08 US US15/617,072 patent/US20170271932A1/en not_active Abandoned
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3979821A (en) * | 1975-05-09 | 1976-09-14 | Kollmorgen Corporation | Method of manufacturing rare earth permanent magnet rotor |
EP1286446A1 (en) * | 2001-08-15 | 2003-02-26 | DRS Power & Control Technologies, Inc. | Permanent magnet rotor and permanent magnet machine |
EP1657800A1 (en) * | 2004-11-12 | 2006-05-17 | Grundfos A/S | Permanent-magnet rotor |
EP1804365A2 (en) * | 2005-12-29 | 2007-07-04 | Korea Electro Technology Research Institute | Permanent magnet excited transverse flux motor with outer rotor |
US20070252469A1 (en) * | 2006-04-19 | 2007-11-01 | Asmo Co., Ltd. | Embedded magnet type rotating electric machine |
US20090115280A1 (en) * | 2007-02-13 | 2009-05-07 | Asmo Co., Ltd. | Embedded magnet type motor |
EP1981149A2 (en) * | 2007-04-10 | 2008-10-15 | HILTI Aktiengesellschaft | Permanent magnetic motor |
US20110248596A1 (en) * | 2010-04-07 | 2011-10-13 | Denso Corporation | Rotor for electric rotating machine |
Non-Patent Citations (1)
Title |
---|
See also references of WO2013121611A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN104054237A (en) | 2014-09-17 |
RU2014125057A (en) | 2016-04-10 |
US20170271932A1 (en) | 2017-09-21 |
US20150180292A1 (en) | 2015-06-25 |
EP2816709B1 (en) | 2021-08-18 |
EP2816709B8 (en) | 2022-08-10 |
JP2013172491A (en) | 2013-09-02 |
CN104054237B (en) | 2016-12-28 |
JP5858232B2 (en) | 2016-02-10 |
US9712007B2 (en) | 2017-07-18 |
WO2013121611A1 (en) | 2013-08-22 |
RU2597218C2 (en) | 2016-09-10 |
EP2816709A1 (en) | 2014-12-24 |
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